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States of Matter
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States of Matter
Help prepare a science-fair display about solids, liquids and gases. Read each clue carefully, then answer in the spaces provided.
Use the clues
Particles are always moving, but they move differently in different states.
1.At the science fair, Maia places an ice cube on a plate. Which state of matter is the ice, and what is one property that supports your answer?
2.Maia pours water from a jug into a cup. Which statement best describes the water?
- It keeps its own shape and spreads out to fill the whole room.
- It takes the shape of the cup but keeps about the same volume.
- Its particles are fixed in a regular arrangement.
3.A sealed balloon is filled with air. What is the state of matter of the air, and how does it behave inside the balloon?
4.Match each example to its state of matter: a wooden spoon; milk; the air around us.
- Wooden spoon
- Milk
- Air around us
- Gas
- Solid
- Liquid
5.Complete the science-fair explanation: When ice is warmed enough, it and becomes liquid water.
6.Complete the science-fair explanation: When liquid water changes into water vapour, it .
7.True or false? When ice melts, its particles disappear.
TrueFalse
8.Which state has particles packed closely together but arranged irregularly, so they can slide past one another?
- Solid
- Liquid
- Gas
9.A student says, “The water vapour above a boiling pot is the same thing as the tiny liquid droplets we see in a cloud.” Explain what is wrong with this idea.
10.Imagine squeezing a gas into a smaller container without removing any particles. What happens to the space between the particles? Do the particles themselves get smaller?
2 printable pages
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